dsca41-15 Dataforth Corporation, dsca41-15 Datasheet

dsca41-15

Manufacturer Part Number

dsca41-15

Description

Analog Voltage Input Signal Conditioners, Wide Bandwidth

Manufacturer

Dataforth Corporation

Datasheet

1.DSCA41-15.pdf (2 pages)

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DSCA40/41

Analog Voltage Input Signal Conditioners, Wide Bandwidth

Description

Each DSCA40/41 voltage input module provides a single channel of analog

input which is filtered, isolated, amplified, and converted to a high-level voltage

output. Signal filtering is accomplished with a five-pole filter. An anti-aliasing

pole is located on the field side of the isolation barrier, and the other four poles

are on the system side. After the initial field-side filtering, the input signal is

chopped by a proprietary chopper circuit. Isolation is provided by transformer

coupling, again using a proprietary technique to suppress transmission of

common mode spikes or surges.

Module output is either voltage or current. For current output models a dedicated

loop supply is provided at terminal 3 (+OUT) with loop return located at terminal

4 (-OUT). The system-side load may be either floating or grounded.

Special input circuits provide protection against accidental connection of power-

line voltages up to 240VAC and against transient events as defined by ANSI/

IEEE C37.90.1. Protection circuits are also present on the signal output and

power input terminals to guard against transient events and power reversal.

Signal and power lines are secured to the module using screw terminals which

are in pluggable terminal blocks for ease of system assembly and reconfiguration.

The modules have excellent stability over time and do not require recalibration,

however, zero and span settings are adjustable up to ±5% to accommodate

situations where fine-tuning is desired. The adjustments are made using

potentiometers located under the front panel label and are non-interactive for

ease of use.

Figure 1: DSCA40/41 Block Diagram

204

For information call 800-444-7644

High Performance Signal Conditioners

• Accepts Millivolt and Voltage Level Signals

• Industry Standard Output of either 0-10V,

• 1500Vrms Transformer Isolation

• ANSI/IEEE C37.90.1 Transient Protection

• Input Protected to 240VAC Continuous

• True 3-Way Isolation

• Wide Range of Supply Voltage

• 100dB CMR

• 3 kHz Signal Bandwidth

• ±0.03% Accuracy

• ±0.01% Linearity

• Easily Mounts on Standard DIN Rail

• C-UL-US Listed

• CE and ATEX Compliant

±10V, 0-20mA, or 4-20mA

Features

DSCA

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dsca41-15 Summary of contents

Page 1

... Figure 1: DSCA40/41 Block Diagram 204 ©1995-2009 Dataforth Corporation, All Rights Reserved ISO9001:2000-Registered QMS High Performance Signal Conditioners Features • Accepts Millivolt and Voltage Level Signals • Industry Standard Output of either 0-10V, ± ...

Page 2

... DSCA41-10 ±0.01% Span * DSCA41-11 * DSCA41-12 ±0.5µV/°C ±5µV/°C DSCA41-13 ), ±20ppm/° OUT OUT DSCA41-14 (2) ±50ppm(V ) /° DSCA41-15 ±35ppm/°C ±55ppm/°C ), 3µArms ( OUT OUT 3kHz * † Output Ranges Available * 170µ 30VDC * ), 55mA ( OUT OUT ±0.0001%/% ...

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